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    <title>Document</title>
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<body>
    <script>
        var date = new Date().valueOf()
        console.log(date)
        var date1 = new Date("2019,10,1");
        console.log(date1)//返回的是 11月 不是 10月
        var date2 = new Date('2019-10-1 8:8:8');
        console.log(date2)
    </script>
</body>
</html>